Recreational surface block



FIG. 1 is a perspective view of the top surface of my recreational surface block with sides, ends and bottom shown in phantom lines;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is an enlarged fragmentary top plan view thereof with different stippling shading representing different colors, as viewed along lines 3--3 of FIG. 2. 

The ornamental design for a recreational surface block, as shown and described. 